Green Lake at Green Lake water level

Name: Green Lake at Green Lake water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Lake, Green Lake, Wisconsin, United States

Directions

Very high for mid-October

Water level

6.67ft Steady over the last 24 hours

Measured Oct 20, 2026, 05:00 AM CDT (1 hour ago)

History

What this means

At 6.67 ft, Green Lake at Green Lake is holding more water than usual for mid-October.

That puts it 0.56 ft above the median of 6.11 ft for mid-October, based on 7 years of readings. A year ago it stood at 6.10 ft (+0.57 ft).

The level has held steady over the past 24 hours. The 30-day range is 6.58 ft – 6.78 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 6.11 ft0.56 ft above the median for this date
Normal for this date: 5.91 ft – 6.60 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 6.10 ft+0.57 ft
Lowest and highest in 30 days: 6.58 ft – 6.78 ft
Lowest and highest in 12 months: 5.89 ft – 7.47 ft

Boating and fishing at Green Lake at Green Lake

When a lake runs high, docks and swimming areas may close for a while and floating logs become a real hazard for boats.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

No rain in the last 3 days.

20 Tue 62° 42° – Wind 13 mph

21 Wed 67° 45° – Wind 13 mph

22 Thu 69° 51° – Wind 7 mph

23 Fri 69° 51° – Wind 11 mph

24 Sat 70° 56° – Wind 17 mph

25 Sun 61° 47° – Wind 11 mph

26 Mon 46° 37° 1.15 in Wind 14 mph

Forecast: Open-Meteo

Sunrise 07:17 AM Sunset 06:06 PM Daylight 10 hr, 49 min First quarter 67%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Roy Creek at Roy Creek Road near Green LakeRiver gauge, Roy Creek	0.6 cfs	Normal	−0.1 cfs	3.3 mi
White Creek at Spring Grove Road near Green LakeRiver gauge, White Creek	1.9 cfs	Normal	±0	3.6 mi
Green Lake Sw Inlet @ Ct Highwy K near Green LakeRiver gauge, Green Lake Sw Inlet @ Ct Highwy K	55.6 cfs	Very high	+17.8 cfs	3.7 mi
Green Lake Inlet at Ct Highway A near Green LakeRiver gauge, Green Lake Inlet	36.1 cfs	Very high	−11.3 cfs	3.8 mi
Puchyan River Ds N. Lawson Drive near Green LakeRiver gauge, Puchyan River Ds N. Lawson Drive	56.1 cfs	Very high	−2.9 cfs	4.2 mi
Silver Creek at Spaulding Road near Green LakeRiver gauge, Silver Creek	23.4 cfs	Normal	−9.1 cfs	5.0 mi
Fox River at PrincetonRiver gauge, Fox River	5.13 ft	Below flood stage	−0.08 ft	7 mi
Fox River at BerlinRiver gauge, Fox River	9.62 ft	Below flood stage	−0.01 ft	11 mi

Questions and answers

How does Green Lake at Green Lake compare with last year?

It is 0.57 ft higher than on the same day last year, when the reading was 6.10 ft.

What is a normal level for Green Lake at Green Lake in mid-October?

The median for mid-October is 6.11 ft. In 8 years out of 10 the reading falls between 5.91 ft and 6.60 ft, based on 7 years of records.

What is the water level of Green Lake at Green Lake today?

On Oct 20, 2026, 05:00 AM CDT, the water level was 6.67 ft. Steady over the last 24 hours.

Is Green Lake at Green Lake rising or falling?

Steady over the last 24 hours. Up 0.07 ft over the last 7 days.

Is the level of Green Lake at Green Lake normal?

Very high for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:434840089000001 (Agency page)
Coordinates: 43.81111, -89.00000 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	6.67 ft	2026-10-20 10:00	Provisional

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How to cite

U.S. Geological Survey: Green Lake at Green Lake (usgs:434840089000001). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/wisconsin/green-lake-at-green-lake

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer